Herpes is a sexually transmitted infection caused by a virus called Herpes simplex virus. This virus can be spread from person to person from unprotected sex. Not everyone developes symptoms for herpes but when they do they include: 

Painful blisters on the vaginas and anus area

Pain in the vagina 

Vaginal discharge 

Flu like symptoms 

Symptoms can sometimes develop weeks, months or years after being in contacted with someone that has it.